Coffee culture, snowy volcanoes on the skyline and a night in Iceland thrown in for free.
Icelandair flies from London Gatwick to Seattle from £364 return in late April 2027, with a stop of almost 23 hours in Reykjavik on the way out. In summer, British Airways has fares from £391.
✈️ The Deal
- From: London Gatwick or Heathrow, United Kingdom
- To: Seattle, United States
- Airline: Icelandair (April), British Airways (summer)
- Stops: 1 stop each way
- Price: £364 - £391 return
- When: April - July 2027
Example dates:
Icelandair: 20/04/2027 - 03/05/2027
British Airways: 24/06/2027 - 07/07/2027
Claim up to £520 for your delayed or cancelled flight →
With Icelandair you leave Gatwick at 15:40 on 20/04, spend the night in Iceland and land in Seattle at 17:55 the next day. The flight home leaves Seattle at 19:00 on 03/05, changes in Reykjavik after just 1h05 and lands at Gatwick at 14:40 the next day. If you would rather fly non-stop, British Airways has the same dates from Heathrow for £432. The summer British Airways fare (£391) stops in Dublin on the way out and Chicago on the way back. Both cheapest fares include a cabin bag only.
💰 How far does your money go?
A pint in London now costs £6-7. In Seattle, a pint of local IPA is about £6, a coffee at an independent roaster £3.50 and a bowl of clam chowder at Pike Place Market around £9. The light rail from the airport to downtown costs about £2.50, and the ferry to Bainbridge Island about £8 return.
☀️ The Weather
Late April and May are spring in Seattle. Expect highs of 15-18°C, nights around 8°C and more sun than rain, with the cherry blossoms out at the university and Mount Rainier visible on clear days. Late June and early July are the best weeks of the year: dry, sunny and 23-25°C, with light until 21:00.
🏨 Where to Stay
Downtown and Belltown keep you close to everything.
Green Tortoise Hostel · 8.7/10 · From £71/night
A famous backpacker hostel right opposite Pike Place Market.
The State Hotel · 8.8/10 · From £200/night
A stylish hotel a block from Pike Place, with murals and a great ground-floor restaurant.
Four Seasons Hotel Seattle · 8.0/10 · From £412/night
Waterfront views over Elliott Bay and a heated outdoor infinity pool.
⏱️ Making the most of your layover in Reykjavik
The stop in Iceland on the way out lasts almost 23 hours, from the evening until the next afternoon. UK passport holders do not need a visa for Iceland. The Flybus takes about 45 minutes from Keflavik airport to Reykjavik, so you have time for a lagoon in the evening and the harbour in the morning.
Sky Lagoon with transfer: A geothermal lagoon on the ocean's edge near Reykjavik, with the seven-step spa ritual.
Whale watching from the old harbour: A three-hour cruise into Faxaflói Bay, back in time for your flight.
If you'd rather rest:
Aurora Hotel at Keflavik Airport · 8.4/10 · From £167/night
Right at the terminal, if you would rather stay by the airport.
Park Inn by Radisson Keflavik Airport · 8.6/10 · From £146/night
In Keflavik town, about 5 minutes from the airport by shuttle.
🎯 What to Do
Seattle is coffee, music and nature at the city limits.
Space Needle and Chihuly Garden: The city's icon and its 360° views, with the dazzling glass art museum next door.
Pike Place Market food tour: Nine tastings with a chef among the fish throwers, bakeries and the original Starbucks.
Underground tour: The buried streets of 1890s Seattle under Pioneer Square, with a guide and plenty of stories.
Mount Rainier day trip: The glacier-covered volcano on the skyline, with forest walks and waterfalls.
🗺️ Where to Go From Here
Seattle is the gateway to the Pacific Northwest.
Vancouver: Mountains, sea and great food, about 3h30 by train or 1 hour by air. Search flights
Mount Rainier National Park: Glaciers, forests and alpine trails, about 2 hours by road.
Portland: Food trucks, breweries and bookshops, about 3h30 by train.
£364 return to Seattle with a night in Iceland on the way. Book the spring dates before the summer rush.
Get every flight deal we find, on your favourite app.
Pick how you want to hear from us — or all three. Free, no spam.
